The basement wall is just a regular poured concrete in forms to look like it has small croncrete bricks. It is the gray color of concrete. WHAT I WANT TO CLEAN FROM THE AREA IS DUST THAT HAS GOTTEN ON THE CEMENT WALL. I HAD WOULD LIKE TO DO A REALLY GOOD JOF CLEAN INT THESE WALLS . I WANT BEABLE TO WASH THE CONCRETE WALL TOO SO THAT ALL DUST AND OTHER THINGS ARE OFF THE WALL., HAD A LOT OF SAW DUST FLYING AROUND IN THE LAST TWO YEARS FORM REMODLING.